Morter Shower Pan Sub Floor

You want to end up with at least an 1 1 4 thick mortar bed at the drain assembly.

Morter shower pan sub floor.

Mortar is the type of concrete product that works best for shower pan applications since it contains no gravel allowing it to work easily and dry with a gentle slope. If necessary lift the pan or base out of the way and. If you are using a preformed shower pan the manufacturer of the pan should provide instructions as to how thick the mortar bed needs to be. If you are installing tile the mortar bed should be 2 3 inches thick on the outer edge and slightly less at the drain.

Chicken wire is not needed at this point just mortar. Stand in the base or pan to determine if the subfloor is stable. Mortar mixes for shower pans are blended with portland cement which is water resistant when it hardens and sand. Set the acrylic shower pan in place on top of the mortar.

Float the mortar bed. The slope directs water toward the shower drain. Use deck mud which only requires water to be added and is easy to work with. The key to a successful installation lies in the use of a chlorinated polyethylene cpe or pvc membrane tough but flexible plastics that form the pan of the enclosure and make the floor waterproof.

Over the membrane a mortar bed floor supports the tile. It s sloped toward a special two piece clamping type drain available at any home center that is made specifically for a mortar bed shower floor. This felt layer will serve as a moisture barrier for the first layer of mud helping the mortar to retain moisture while curing. As part of that mortar show.

When mixing the mortar use only enough water to obtain a dry pack consistency. Apply pressure at various points across the surface to press it into the mortar. Place the level across the pan or base to determine if it is level both ways. The first layer called a sloped fill is simply a mortar subfloor.

Use the level to help guide you in your application of. The sloped fill slants from the drain toward the perimeter of the shower with a slope of 1 4 in.